A tool used to find configurations for LLVM projects.
llvm-config --cxxflagsExample Clang Compiler flags
-I/usr/include -std=c++17 -fno-exceptions -funwind-tables -D_GNU_SOURCE -DEXPERIMENTAL_KEY_INSTRUCTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS